Home / 215,367,618.30-323,051,427.45-210,584,649.30

Finding the Fourth Proportional to 215,367,618.30, 323,051,427.45 and 210,584,649.30

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Solution

The fourth proportional to 215,367,618.30, 323,051,427.45 and 210,584,649.30 is: 315,876,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,367,618.30 : 323,051,427.45 = 210,584,649.30 : x
  2. Step 2: Convert to fraction form
    215,367,618.30/323,051,427.45 = 210,584,649.30/x
  3. Step 3: Cross multiply
    215,367,618.30x = 323,051,427.45 × 210,584,649.30
  4. Step 4: Simplify right side
    215,367,618.30x = 68,029,671,555,422,648
  5. Step 5: Solve for x
    x = 68,029,671,555,422,648/215,367,618.30
  6. Step 6: Final answer
    x = 315,876,973.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.